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Finding the Fourth Proportional to 541,136.03, 746,649.21 and 323,312.03

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Solution

The fourth proportional to 541,136.03, 746,649.21 and 323,312.03 is: 446,099.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,136.03 : 746,649.21 = 323,312.03 : x
  2. Step 2: Convert to fraction form
    541,136.03/746,649.21 = 323,312.03/x
  3. Step 3: Cross multiply
    541,136.03x = 746,649.21 × 323,312.03
  4. Step 4: Simplify right side
    541,136.03x = 241,400,668,049.75
  5. Step 5: Solve for x
    x = 241,400,668,049.75/541,136.03
  6. Step 6: Final answer
    x = 446,099.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.